Add a displays widget for monitor layout and per-monitor wallpapers

This commit is contained in:
2026-09-20 04:07:26 -04:00
parent 1cd50be73a
commit a32254c398
20 changed files with 1570 additions and 13 deletions
+344
View File
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import QtQuick
import Quickshell
import Quickshell.Io
import Quickshell.Wayland
import qs.Commons
import qs.Ui
import "DisplayModel.js" as DisplayModel
Item {
id: root
property var shell: null
property var manifest: null
property bool opened: false
readonly property string pluginId: (manifest && manifest.id) || "blob.displays"
readonly property string home: Quickshell.env("HOME")
property var monitors: []
property string selectedName: ""
property string activeTab: "monitors"
property var assignments: ({})
property bool layoutDirty: false
readonly property var selectedMonitor: {
for (var i = 0; i < root.monitors.length; i++)
if (root.monitors[i].name === root.selectedName) return root.monitors[i]
return null
}
function open(payloadJson) {
root.opened = true
root.refresh()
}
function close() {
root.opened = false
}
function dismiss() {
root.opened = false
if (root.shell && typeof root.shell.hide === "function")
root.shell.hide(root.pluginId)
}
function run(command) {
Quickshell.execDetached(["bash", "-c", command])
}
function refresh() {
if (!monitorProc.running) monitorProc.running = true
if (!assignmentProc.running) assignmentProc.running = true
}
function loadMonitors(raw) {
var parsed = DisplayModel.parseMonitors(raw)
root.monitors = parsed
root.layoutDirty = false
if (root.selectedName.length > 0) {
for (var i = 0; i < parsed.length; i++)
if (parsed[i].name === root.selectedName) return
}
root.selectedName = parsed.length > 0 ? parsed[0].name : ""
}
function loadAssignments(raw) {
var next = ({})
var lines = String(raw || "").split("\n")
for (var i = 0; i < lines.length; i++) {
var line = lines[i].trim()
if (!line) continue
var split = line.indexOf("\t")
if (split <= 0) continue
next[line.substring(0, split)] = line.substring(split + 1)
}
root.assignments = next
}
// Mutating the array in place would not retrigger the bindings the canvas
// reads, so every edit rebuilds it.
function replaceMonitor(name, changes) {
var next = []
for (var i = 0; i < root.monitors.length; i++) {
var monitor = root.monitors[i]
if (monitor.name !== name) {
next.push(monitor)
continue
}
var copy = ({})
for (var key in monitor) copy[key] = monitor[key]
for (var change in changes) copy[change] = changes[change]
next.push(copy)
}
root.monitors = next
root.layoutDirty = true
}
function moveMonitor(name, x, y) {
var snapped = DisplayModel.snapPosition(root.monitors, name, x, y, 60)
root.replaceMonitor(name, { x: snapped.x, y: snapped.y })
}
function applyMonitor(name) {
for (var i = 0; i < root.monitors.length; i++) {
if (root.monitors[i].name !== name) continue
root.run("blob-display-arrange apply " + Util.shellQuote(DisplayModel.monitorKeyword(root.monitors[i])))
return
}
}
function applyLayout() {
var keywords = DisplayModel.keywordsFor(root.monitors)
var quoted = []
for (var i = 0; i < keywords.length; i++) quoted.push(Util.shellQuote(keywords[i]))
root.run("blob-display-arrange apply " + quoted.join(" "))
root.layoutDirty = false
reloadTimer.restart()
}
function resetLayout() {
root.run("blob-display-arrange reset")
reloadTimer.restart()
}
function assignWallpaper(path) {
if (root.selectedName.length === 0) return
root.run("blob-bg-monitor " + Util.shellQuote(root.selectedName) + " " + Util.shellQuote(path))
var next = ({})
for (var key in root.assignments) next[key] = root.assignments[key]
next[root.selectedName] = path
root.assignments = next
}
function clearAssignment() {
if (root.selectedName.length === 0) return
root.run("blob-bg-monitor " + Util.shellQuote(root.selectedName) + " --clear")
var next = ({})
for (var key in root.assignments)
if (key !== root.selectedName) next[key] = root.assignments[key]
root.assignments = next
}
function setGlobalWallpaper(path) {
root.run("blob-bg-set " + Util.shellQuote(path))
}
Process {
id: monitorProc
command: ["hyprctl", "monitors", "all", "-j"]
stdout: StdioCollector { onStreamFinished: root.loadMonitors(text) }
}
Process {
id: assignmentProc
command: ["bash", "-c",
'dir="$HOME/.local/state/blob/backgrounds"; [[ -d $dir ]] || exit 0; ' +
'for link in "$dir"/*; do [[ -e $link ]] || continue; ' +
'printf "%s\\t%s\\n" "${link##*/}" "$(readlink -f "$link")"; done']
stdout: StdioCollector { onStreamFinished: root.loadAssignments(text) }
}
Timer {
id: reloadTimer
interval: 400
onTriggered: root.refresh()
}
Timer {
interval: 4000
running: root.opened && !root.layoutDirty
repeat: true
onTriggered: root.refresh()
}
PanelWindow {
visible: root.opened
anchors { top: true; bottom: true; left: true; right: true }
color: "transparent"
WlrLayershell.namespace: "blob-displays"
WlrLayershell.layer: WlrLayer.Overlay
WlrLayershell.keyboardFocus: WlrKeyboardFocus.OnDemand
exclusionMode: ExclusionMode.Ignore
MouseArea {
anchors.fill: parent
onClicked: root.dismiss()
}
Card {
anchors.centerIn: parent
implicitWidth: Style.spaceReal(760)
implicitHeight: Style.spaceReal(560)
fillColor: Util.alpha(Color.background, Style.panelFillAlpha)
spacing: Style.spaceReal(10)
Item {
width: parent.width
implicitHeight: Math.max(title.implicitHeight, tabs.implicitHeight)
Text {
id: title
anchors.left: parent.left
anchors.verticalCenter: parent.verticalCenter
text: "Displays"
textFormat: Text.PlainText
color: Color.foreground
font.family: Style.font.family
font.pixelSize: Style.font.body
font.bold: true
}
Row {
id: tabs
anchors.right: parent.right
anchors.verticalCenter: parent.verticalCenter
spacing: Style.spaceReal(6)
Chip {
label: "Monitors"
active: root.activeTab === "monitors"
onActivated: root.activeTab = "monitors"
}
Chip {
label: "Wallpapers"
active: root.activeTab === "wallpapers"
onActivated: root.activeTab = "wallpapers"
}
CardIconButton {
icon: ""
onActivated: root.dismiss()
}
}
}
MonitorCanvas {
width: parent.width
height: Style.spaceReal(200)
monitors: root.monitors
selectedName: root.selectedName
onSelected: function(name) { root.selectedName = name }
onMonitorMoved: function(name, x, y) { root.moveMonitor(name, x, y) }
onLayoutSettled: root.applyMonitor(root.selectedName)
}
Item {
width: parent.width
height: Style.spaceReal(250)
MonitorControls {
anchors.fill: parent
visible: root.activeTab === "monitors"
monitor: root.selectedMonitor
monitors: root.monitors
onScaleRequested: function(scale) {
root.replaceMonitor(root.selectedName, { scale: scale })
root.applyMonitor(root.selectedName)
}
onModeRequested: function(mode) {
root.replaceMonitor(root.selectedName, { mode: mode })
root.applyMonitor(root.selectedName)
}
onEnabledRequested: function(enabled) {
root.replaceMonitor(root.selectedName, { disabled: !enabled })
root.applyMonitor(root.selectedName)
}
onMirrorRequested: function(target) {
root.replaceMonitor(root.selectedName, { mirrorOf: target })
root.applyMonitor(root.selectedName)
}
}
Column {
anchors.fill: parent
visible: root.activeTab === "wallpapers"
spacing: Style.spaceReal(8)
Item {
width: parent.width
implicitHeight: assignedLabel.implicitHeight
Text {
id: assignedLabel
anchors.left: parent.left
anchors.verticalCenter: parent.verticalCenter
text: root.selectedName.length > 0
? (root.assignments[root.selectedName]
? root.selectedName + ": " + String(root.assignments[root.selectedName]).replace(/^.*\//, "")
: root.selectedName + ": following the global wallpaper")
: "Select a monitor above"
textFormat: Text.PlainText
color: Util.alpha(Color.foreground, 0.8)
font.family: Style.font.family
font.pixelSize: Style.font.bodySmall
}
Chip {
anchors.right: parent.right
anchors.verticalCenter: parent.verticalCenter
label: "Clear"
enabled: root.selectedName.length > 0 && !!root.assignments[root.selectedName]
onActivated: root.clearAssignment()
}
}
WallpaperGrid {
width: parent.width
height: parent.height - assignedLabel.implicitHeight - Style.spaceReal(8)
polling: root.opened && root.activeTab === "wallpapers"
assignedPath: root.selectedName.length > 0
? String(root.assignments[root.selectedName] || "") : ""
onChosen: function(path) { root.assignWallpaper(path) }
}
}
}
Row {
width: parent.width
spacing: Style.spaceReal(6)
Chip {
label: root.layoutDirty ? "Apply all" : "Re-apply all"
active: root.layoutDirty
onActivated: root.applyLayout()
}
Chip {
label: "Reset to monitors.lua"
onActivated: root.resetLayout()
}
Chip {
label: "Set globally"
enabled: root.activeTab === "wallpapers" && root.selectedName.length > 0
&& !!root.assignments[root.selectedName]
onActivated: root.setGlobalWallpaper(String(root.assignments[root.selectedName]))
}
}
}
}
onOpenedChanged: if (root.opened) root.refresh()
}